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Service bulletins for the 2024 Chevrolet Blazer

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

844 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
PIT6094A2024-01-29. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; ELECTRICAL SYSTEM; EQUIPMENT. This PI states a vehicle may be encountered with a black or blank radio screen. The dealer technician is advised that updated software will be available 11/30/23. The technician is directed to reprogram the radio with the latest calibrations.
PIT6078A2024-01-29. Service bulletin. VISIBILITY; VISIBILITY:POWER WINDOW DEVICES AND CONTROLS; ELECTRICAL SYSTEM. This Preliminary information communicates that a vehicle may come to the dealer with front, rear or front and rear windows inoperative. The technician is directed to inspect the appropriate switch for the date code. Depending on what is found the tech is directed to replace the affected window switch or to follow published diagnostics to determine the cause of the fault.
18-NA-1802024-01-19. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This Warranty Administration Bulletin Provides High Voltage Battery Exchange Process Information.
N2324345902024-01-16. Service bulletin. ELECTRICAL SYSTEM; UNKNOWN OR OTHER. Floor Plan Compensation - On December 22, 2023, GM sent GlobalConnect Message GCUS-3-3106 to all GM Dealers regarding field action N232434590. GM is working to develop a remedy as quickly as possible. When a remedy is available, the bulletin will be released and dealers can begin repairing vehicles. At the time of bulletin release with the remedy, Floor Plan Compensation for the Stop Delivery can be submitted for the involved VINs. Until further instructions are received, involved vehicles that are in dealers’ possession (new or used vehicle inventory, GM Certified Used, courtesy transportation vehicles, dealer shuttle vehicles, etc.) must be held and not delivered to customers, dealer-traded, released to auction, used for demonstration purposes or any other dealer use. All GM Certified Used vehicles currently in the dealers’ inventory within the Certified Pre-Owned Inventory System (CPOIS) will be de-certified. To be eligible for the floor plan, a vehicle must be in dealer inventory at the time the related field action bulletin is released. If a vehicle has been delivered, wholesaled or otherwise disposed of prior to release of the bulletin, the vehicle is not eligible for assistance.
23-NA-2172024-01-13. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This informational bulletin provides information on Lithium-Ion Battery - TAC Approval and Exchange Program for Cadillac Lyriq and Chevrolet Blazer EV.
18-NA-1802024-01-13. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This Warranty Administration Bulletin Provides High Voltage Battery Exchange Process Information.
PIE07732024-01-04. Service bulletin. ELECTRICAL SYSTEM; SEATS; EQUIPMENT. This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regard to Melted Burn Marks and/or Smoke Smell Coming from the Height Adjuster Motor Under the Front Row Seat.
N2324345902023-12-23. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM. Stop Delivery Order: Effective immediately, we have elected to pause the delivery to customers of certain 2024 Chevrolet Blazer EV vehicles which are in the attached VIN file and in new vehicle inventory or in transit. We are issuing this order because we have become aware that a limited number of owners have experienced certain software quality issues. We will provide further instructions as soon as possible.
23-NA-2222023-12-22. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This service bulletin provides repair information to correct a customer concern of Radio Software issues and provide software (Version W26E-172.4.2-M169-SQBR4-123.4) Updates for IVD.
23-NA-2212023-12-22. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. This technical bulletin provides a procedure for Sun Load, Ambient Light, and Charge Indicator Sensor Replacement to correct a customer concern of A/C Inoperative or A/C blows warm to hot air.
PIT60932023-12-18. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This PI states a vehicle may be encountered with a wind noise. The dealer is directed to advise the customer to briefly press the manual up position on the window switch to eliminate the noise. The customer is to be advised that a resolution to this issue will be provided in the future.
PIT6082A2023-12-18. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; ELECTRICAL SYSTEM. This Preliminary information communicates a vehicle may come to the dealer with a blank radio display, service instrument cluster message, low voltage codes set or a low/dead 12 volt battery. The technician is instructed to check the calibration in the Brake System Control Module and if necessary reprogram the module. The tech is also instructed to remove and replace the radio fuse if radio concerns are noted.
20-NA-1322023-12-15. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT; ELECTRICAL SYSTEM. This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
20-NA-0182023-12-09. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This service bulletin provides information for dealers/technicians on MDI 2 Required When Programming Vehicles with Vehicle Intelligence Platform (VIP).
23-NA-1362023-12-09. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. 2024 Chevrolet Blazer EV New Model Features.
22-NA-2152023-12-06. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This warranty administration bulletin provides policy information for chargers that are covered under the terms of a 3-year Limited Parts Warranty from the date of purchase.
PIT60782023-12-04. Service bulletin. VISIBILITY; ELECTRICAL SYSTEM. This Preliminary information communicates that a vehicle may come to the dealer with front, rear or front and rear windows inoperative. The technician is directed to either inspect the driver's window switch for the proper sticker or inspect the date code on the rear window switches depending on the condition. Depending on what is found the tech is directed to replace the affected window switch or to follow published diagnostics to determine the cause of the fault.
PIT60822023-12-04. Service bulletin. ELECTRICAL SYSTEM. This Preliminary information communicates a vehicle may come to the dealer with a blank radio display, service instrument cluster message, low voltage codes set or a low/dead 12 volt battery. The technician is instructed to check the calibration in the Brake System Control Module and if necessary reprogram the module. The tech is also instructed to remove and replace the radio fuse if radio concerns are noted.
PIT6068A2023-12-04. Service bulletin. BACK OVER PREVENTION; ELECTRICAL SYSTEM; AIR BAGS. This Preliminary information communicates a vehicle may exhibit a service driver assist message. On inspection the tech will find B1A05 set in the Front View Camera Module (FVCM). The tech is directed to perform programming on the FVCM.
PIT60712023-12-04. Service bulletin. ELECTRICAL SYSTEM. This Preliminary information communicates that a vehicle may come to the dealer with a service driver assist message. Upon inspection the tech will find U3000 set in the rear short range radar. The tech is instructed to inspect the radar for proper mounting and repair as necessary. He is then instructed to drive the vehicle to complete the learn procedure on the radar.
PIT60682023-12-04. Service bulletin. BACK OVER PREVENTION; ELECTRICAL SYSTEM. This Preliminary information communicates a vehicle may exhibit a service drive assist message. On inspection the tech will find B1A05 set in the Front View Camera Module (FVCM). The tech is directed to perform programming and a learn procedure on the FVCM.
23-NA-0212023-11-29. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. This service bulletin advises the tech that the rotational Clicking Noise Heard After Engine Shut Down may be normal characteristics of the vehicle.
21-NA-1352023-11-29. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT; EXTERIOR LIGHTING; ELECTRICAL SYSTEM. This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles that request to disable or enable content.
N2324281902023-11-16. Service bulletin. ELECTRICAL SYSTEM. Customer Satisfaction Program - Certain vehicles may have a condition in which the vehicle’s modules drain the 12V battery. Dealers are to reprogram the Battery Energy Control Module, Brake System Control Module, and Serial Data Gateway Module.
23-NA-1892023-11-15. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This service bulletin assists technicians in setting up PicoScope hardware/software to monitor CAN bus traffic (voltage patterns) to aid Technical Assistance (TAC) and Field Service Engineers (FSEs) in diagnosing electrical issues present on network communication circuits.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.